NZ210451A - Capacitance sensor monitors air in fluid - Google Patents

Capacitance sensor monitors air in fluid

Info

Publication number
NZ210451A
NZ210451A NZ210451A NZ21045184A NZ210451A NZ 210451 A NZ210451 A NZ 210451A NZ 210451 A NZ210451 A NZ 210451A NZ 21045184 A NZ21045184 A NZ 21045184A NZ 210451 A NZ210451 A NZ 210451A
Authority
NZ
New Zealand
Prior art keywords
tube
rod
discs
capacitor
fluid
Prior art date
Application number
NZ210451A
Other languages
English (en)
Inventor
A G Hufton
D P Gardner
Original Assignee
Teledyne Ind
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Teledyne Ind filed Critical Teledyne Ind
Publication of NZ210451A publication Critical patent/NZ210451A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/221—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance by investigating the dielectric properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
NZ210451A 1983-12-07 1984-12-06 Capacitance sensor monitors air in fluid NZ210451A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/558,979 US4599888A (en) 1983-12-07 1983-12-07 Air bubble detector device

Publications (1)

Publication Number Publication Date
NZ210451A true NZ210451A (en) 1988-04-29

Family

ID=24231789

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ210451A NZ210451A (en) 1983-12-07 1984-12-06 Capacitance sensor monitors air in fluid

Country Status (11)

Country Link
US (1) US4599888A (it)
JP (1) JPS60190848A (it)
AU (1) AU572594B2 (it)
BR (1) BR8406326A (it)
CH (1) CH666337A5 (it)
DE (1) DE3443742A1 (it)
FR (1) FR2556471A1 (it)
GB (1) GB2151029B (it)
IT (1) IT1183731B (it)
NZ (1) NZ210451A (it)
SE (1) SE8406094L (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61146764U (it) * 1985-03-04 1986-09-10
US4994749A (en) * 1988-12-16 1991-02-19 General Electric Company Liquid sensor with high sensitivity near empty
DE3843177C2 (de) * 1988-12-22 1999-03-25 Fev Motorentech Gmbh & Co Kg Verfahren zur Feststellung des Alkoholgehaltes und/oder des Heizwertes von Kraftstoffen
DE3931971C2 (de) * 1989-09-25 1994-09-22 Knapp Guenter Univ Prof Dipl I Vorrichtung zur Aufbereitung von flüssigen Analysenproben
US5225783A (en) * 1991-02-18 1993-07-06 Mitsubishi Denki Kabushiki Kaisha Dielectric constant detection apparatus for fuel
DE4136639C2 (de) * 1991-11-07 1995-12-14 Borsi Hossein Priv Doz Dr Ing Vorrichtung zur elektrischen Ermittlung nicht gelöster Gase in mit Flüssigkeit gefüllten Hochspannungsanlagen und Geräten als Grundlage zur Fehlererkennung und Überwachung dieser Anlagen und Geräte
US5470604A (en) * 1993-04-08 1995-11-28 Chartered Semiconductor Manufacturing Pte Ltd. Apparatus and method for spreading resist on a wafer and detecting bubbles in the resist
US5455565A (en) * 1993-11-08 1995-10-03 Ivac Corporation Fluid monitor system and method using a resonator
DE19736178C1 (de) * 1997-08-13 1999-01-28 Ifak Inst Fuer Automation Und Vorrichtung zur Erfassung von Phasengrenzen in Fluiden
US5960129A (en) * 1997-12-22 1999-09-28 Bayer Corporation Method and apparatus for detecting liquid and gas segment flow through a tube
DE19859337A1 (de) * 1998-12-22 2000-07-06 Mannesmann Vdo Ag Verfahren zur Überwachung der ausreichenden Ölschmierung eines Verbrennungsmotors und Verbrennungsmotor zur Durchführung des Verfahrens
DE19956958A1 (de) * 1999-11-16 2001-06-13 Vogel Willi Ag Verfahren und Vorrichtung zur Überwachung des Ölstroms einer Einrichtung zur Öl+Luft-Schmierung von Bauteilen
DE10017338A1 (de) * 2000-04-07 2001-10-18 Tmt Tribologiemesstechnik Gmbh Verfahren und Vorrichtung zum Bestimmen des Mischungsverhältnisses zweier Stoffe in einem Stoffgemisch
EP1407464B1 (en) * 2001-07-17 2011-03-09 SMC Kabushiki Kaisha Micro-electromechanical sensor
US7086280B2 (en) * 2003-10-06 2006-08-08 Ricardo, Inc. Aeration sensing device
US7940060B2 (en) * 2007-03-06 2011-05-10 GM Global Technology Operations LLC Method for measuring the amount of air in a fluid
ITMI20071019A1 (it) 2007-05-21 2008-11-22 Siviero Enrico Metodo e apparecchiatura per la misura ed il controllo della quantita' di gas di nucleazione disperso in un fluido multifase
DE102011075120A1 (de) * 2011-05-03 2012-11-08 BSH Bosch und Siemens Hausgeräte GmbH Verfahren und Vorrichtung zur Blasenerkennung in strömenden Flüssigkeiten und Durchlauferhitzer
RO130994A2 (ro) 2014-03-19 2016-03-30 Schaeffler Technologies AG & Co.KG Sistem electric de detectare a aerului pentru lichid
US10589022B2 (en) 2015-12-30 2020-03-17 Baxter Corporation Englewood Syringe plunger positioning apparatus and method

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2720624A (en) * 1951-09-07 1955-10-11 Gulf Research Development Co Apparatus for detecting changes in composition of a liquid hydrocarbon stream
GB867350A (en) * 1957-12-11 1961-05-03 David Warren Turner Capacity change detector
US3114257A (en) * 1959-03-09 1963-12-17 Western Electric Co Apparatus for sensing the flow of a substance through a liquid medium
US3192473A (en) * 1960-12-05 1965-06-29 Pure Oil Co Method and apparatus for detecting changes in composition of liquid flowing through a pipe line
DE1167435B (de) * 1962-06-15 1964-04-09 Siemens Ag Leckueberwachung fuer elektrische Maschinen mit kombinierter Fluessigkeits- und Gaskuehlung
FR1427818A (fr) * 1964-12-17 1966-02-11 Schlumberger Prospection Perfectionnements aux dispositifs pour déterminer la composition des mélanges d'eau et d'huile produits par les puits de pétrole
US3523245A (en) * 1968-04-04 1970-08-04 Halliburton Co Fluid monitoring capacitance probe having the electric circuitry mounted within the probe
CA986189A (en) * 1972-07-03 1976-03-23 Don D. Thompson Dielectric constant measurement method
SU572696A1 (ru) * 1976-04-12 1977-09-15 Предприятие П/Я Р-6047 Устройство дл контрол газосодержани в газожидкостных смес х
GB1570039A (en) * 1977-02-22 1980-06-25 Auburn Int Measurement of phase fractions in flowing fluid
JPS56104243A (en) * 1980-01-25 1981-08-19 Hitachi Ltd Alcohol sensor
US4543191A (en) * 1981-08-10 1985-09-24 Shell Oil Company BS&W in crude oil streams
JPS5885314A (ja) * 1981-11-17 1983-05-21 Nissan Motor Co Ltd エンジンオイルの劣化検知装置

Also Published As

Publication number Publication date
FR2556471A1 (fr) 1985-06-14
GB2151029B (en) 1987-04-08
IT1183731B (it) 1987-10-22
GB8430527D0 (en) 1985-01-09
CH666337A5 (de) 1988-07-15
SE8406094D0 (sv) 1984-12-03
IT8483635A0 (it) 1984-12-06
SE8406094L (sv) 1985-06-08
JPS60190848A (ja) 1985-09-28
AU572594B2 (en) 1988-05-12
US4599888A (en) 1986-07-15
AU3629784A (en) 1985-06-13
BR8406326A (pt) 1985-10-08
GB2151029A (en) 1985-07-10
DE3443742A1 (de) 1985-06-20

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